平河梁林区的昆虫及其多样性研究

A Preliminary Study of Insects and Diversity in Pingheliang Forest Region

为确定秦岭平河梁林区的昆虫区系与组成及多样性,采用调查与文献分析法研究表明,该林区有昆虫种类29目、287科、2 004种,部分昆虫类群以古北、部分以东洋、部分以广布性分布占优势;在目-科、目-科-种水平上,类群间优势度明显、林区的昆虫类群和种类丰富,科数最多的为鳞翅目53科、鞘翅目49科、膜翅目35科,种类数最多的为鳞翅目594种、鞘翅目482种、膜翅目241种、同翅目186种、半翅目164种、双翅目114种。

To confirm the insect fauna, composition and diversity in Pingheliang forest region in the Qinling Mountains, an investigation was carried out by field surrey and literature consulting. It was found that there existed 2 004 insect species belonged to 29 orders, 287 families, some of which distributed in Oriental realm, some in Paleo-arctic realm and the others were widely spread; at order-family and order-family-species level, dominance rates among groups were prominent. The groups and species in this region were rich. The orders that contained most families were Lepidoptera, 53 families, Coleoptera, 49 families and Hymenoptera, 35 families, most species were Lepidoptera, 594 species, Coleoptera, 482 species, Hymenoptera, 241 species, Homoptera, 186 species Hemiptera, 164 species and Diptera and 114 species.